A microfleece baselayer for low-bulk, highly breathable warmth in cold conditions. The interior grid works with your other layers to efficiently trap body heat and move sweat during high output, with HeiQ® Mint odor control for freshness. Made in a Fair Trade Certified™ factory. Fitted Polartec® Power Grid® Fabric Polartec® Power Grid® fabric with HeiQ® Mint odor control has a smooth face for easy layering and a lofted back for added warmth Zip-Neck Silhouette Deep front zipper vents body heat, with low-bulk construction and internal neck tape for comfort next to skin; a locker loop offers easy hang drying Raglan Sleeves Raglan sleeves for comfort and mobility Underarm Gussets and Low-Bulk Seams Full underarm gussets and low-bulk seams for range of motion and chafe-free comfort Low-Profile Thumb Loops Thumb loops offer secure hand coverage Fitted for Optimal Wicking Fits next-to-skin without being compressive for optimal wicking, easy layering and freedom of movement Supporting the People Who Made This Product Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor Country of Origin Made in Colombia. Weight 150 g (5.3 oz) Materials 4.5-oz (153-g) Polartec® Power Grid® 92% recycled polyester/8% spandex jersey with HeiQ® Mint odor control and an anti-pilling finish Fabric is certified as bluesign® approved Made in a Fair Trade Certified™ factory Care Instructions Machine wash warm, do not bleach, tumble dry low, cool iron, do not use fabric softeners